A baker is what you call someone who makes cakes. and Patisserie is the one who specialized in pastries and sweets.
cardiologist
That's a person specialized on cooking only vegetables, although that person isn't necessarily a vegetarian. He may be cooking for vegetarians and that person may be not one of them. I could call him "Veggie's cooker"
A certified degree is a degree or certificate in a specialized field. Some examples are business, literature and technical fields.
The objective of literature is to entertain or explain something to someone. Most literature is either written as fiction or non-fiction.
He was a doctor of Literature
get the help of someone with specialized knowledge in the area
If you call someone, you are the "caller".
Organelles
The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.
literary scholar
You call someone from Omaha an Omahan or for many, call them Omahans